diff --git a/assets/tex/pg.sty b/assets/tex/pg.sty
index 7d8ce2c51b..be1921fd80 100644
--- a/assets/tex/pg.sty
+++ b/assets/tex/pg.sty
@@ -26,7 +26,7 @@
 \input{PGML.tex}
 
 % The macro alternatives for < should be used in math in PG problems to help
-% avoid issus with a bare < in HMTL or XML output. The alternatives for > are
+% avoid issues with a bare < in HTML or XML output. The alternatives for > are
 % provided for parity.
 \newcommand{\lt}{<}
 \newcommand{\gt}{>}
@@ -36,7 +36,7 @@
 % semantic macro definitions used by PG
 \newcommand{\answerRule}[2][]{\raisebox{-3pt}{\parbox[t]{#2ex}{\hrulefill}}}
 
-% height of a strut, used for example to possition the top border of an inline image
+% height of a strut, used for example to position the top border of an inline image
 % unit is initialized here, but value is set locally where needed
 \newlength{\strutheight}
 
diff --git a/bin/parse-problem-doc.pl b/bin/parse-problem-doc.pl
index 84f9a303c7..b2274b198a 100755
--- a/bin/parse-problem-doc.pl
+++ b/bin/parse-problem-doc.pl
@@ -92,7 +92,7 @@ ($filename, %global)
 	return;
 }
 
-# Ouput index files.
+# Output index files.
 for (qw(categories subjects macros techniques)) {
 	my $options = {
 		metadata     => $index_table,
diff --git a/bin/run-perltidy.pl b/bin/run-perltidy.pl
index 9f2eeff8cb..a755f0d845 100755
--- a/bin/run-perltidy.pl
+++ b/bin/run-perltidy.pl
@@ -64,8 +64,8 @@ =head1 OPTIONS
 # Validate options that were passed.
 my %options;
 my $err = Perl::Tidy::perltidy(argv => \@args, dump_options => \%options);
-exit $err                                               if $err;
-die "The -pro option is not suppored by this script.\n" if defined $options{profile};
+exit $err                                                if $err;
+die "The -pro option is not supported by this script.\n" if defined $options{profile};
 
 unshift(@args, '-bext=/') unless defined $options{'backup-file-extension'};
 
diff --git a/bin/update-localization-files b/bin/update-localization-files
index 50da33991a..05e1d0a746 100755
--- a/bin/update-localization-files
+++ b/bin/update-localization-files
@@ -45,7 +45,7 @@ if [ -z "$PG_ROOT" ]; then
 fi
 
 command -v xgettext.pl >/dev/null 2>&1 || {
-    echo >&2 "xgettext.pl needs to be installed.  It is inlcuded in the perl package Locale::Maketext::Extract. Aborting.";
+    echo >&2 "xgettext.pl needs to be installed.  It is included in the perl package Locale::Maketext::Extract. Aborting.";
     exit 1;
 }
 
diff --git a/htdocs/js/AppletSupport/ww_applet_support.js b/htdocs/js/AppletSupport/ww_applet_support.js
index 4dfd18a01e..395969bf3f 100644
--- a/htdocs/js/AppletSupport/ww_applet_support.js
+++ b/htdocs/js/AppletSupport/ww_applet_support.js
@@ -108,7 +108,7 @@ class ww_applet {
 		// Communication with the applet is in plain text, not in base64 code.
 
 		if (state) {
-			if (this.debug) console.log(`${this.appletName}: Obtain state from calling paramater`);
+			if (this.debug) console.log(`${this.appletName}: Obtain state from calling parameter`);
 		} else {
 			if (this.debug) console.log(`${this.appletName}: Obtain state from ${this.stateInput}`);
 			// Hidden answer box preserving applet state
diff --git a/lib/Parser.pm b/lib/Parser.pm
index c943441e33..c72651be78 100644
--- a/lib/Parser.pm
+++ b/lib/Parser.pm
@@ -191,7 +191,7 @@ sub push { push(@{ (shift)->{stack} }, @_) }
 sub state { (shift)->top->{type} }
 
 #
-#  Report an error at a given possition (if possible)
+#  Report an error at a given position (if possible)
 #
 sub Error {
 	my $self    = shift;
diff --git a/lib/Value/AnswerChecker.pm b/lib/Value/AnswerChecker.pm
index 31f4a52d07..3ed4f18535 100644
--- a/lib/Value/AnswerChecker.pm
+++ b/lib/Value/AnswerChecker.pm
@@ -1333,7 +1333,7 @@ sub cmp_compare {
 }
 
 #
-#  Check for wrong enpoints and wrong type of endpoints
+#  Check for wrong endpoints and wrong type of endpoints
 #
 sub cmp_postprocess {
 	my $self = shift;
diff --git a/lib/WeBWorK/PG/Constants.pm b/lib/WeBWorK/PG/Constants.pm
index 7e83e511b3..835687d9f1 100644
--- a/lib/WeBWorK/PG/Constants.pm
+++ b/lib/WeBWorK/PG/Constants.pm
@@ -11,7 +11,7 @@ use warnings;
 
 # ImageGenerator
 
-# Arguments to pass to dvipng. This is dependant on the version of dvipng.
+# Arguments to pass to dvipng. This is dependent on the version of dvipng.
 #
 # For dvipng versions 0.x
 #     $ImageGenerator::DvipngArgs = "-x4000.5 -bgTransparent -Q6 -mode toshiba -D180";
diff --git a/macros/core/PGbasicmacros.pl b/macros/core/PGbasicmacros.pl
index 57f62a3155..94b8e5657c 100644
--- a/macros/core/PGbasicmacros.pl
+++ b/macros/core/PGbasicmacros.pl
@@ -223,7 +223,7 @@ =head2  Answer blank macros:
 When entering radio buttons using the "NAMED" format, you should use
 NAMED_ANS_RADIO button for the first button and then use
 NAMED_ANS_RADIO_EXTENSION for the remaining buttons. NAMED_ANS_RADIO requires a
-matching answer evalutor, while NAMED_ANS_RADIO_EXTENSION does not. The name
+matching answer evaluator, while NAMED_ANS_RADIO_EXTENSION does not. The name
 used for NAMED_ANS_RADIO_EXTENSION should match the name used for
 NAMED_ANS_RADIO (and the associated answer evaluator).
 
diff --git a/macros/misc/randomPerson.pl b/macros/misc/randomPerson.pl
index d3bf6b66a8..06ee34a7ab 100644
--- a/macros/misc/randomPerson.pl
+++ b/macros/misc/randomPerson.pl
@@ -49,7 +49,7 @@ =head2 Usage
 
 Depending on the he/she/they pronoun, the methods C<they>, C<them>, C<their> and
 C<theirs> (with or without capitalization) will select the correct subject, object,
-possession, possesive forms of the pronoun.  Also, note that C<go> is one of a
+possession, possessive forms of the pronoun.  Also, note that C<go> is one of a
 few special verbs with irregular conjugation.
 
 If you would like multiple people to be randomly choosen with unique names, use
diff --git a/t/macros/numerical_methods.t b/t/macros/numerical_methods.t
index b5a00a2a31..bfcbd89635 100644
--- a/t/macros/numerical_methods.t
+++ b/t/macros/numerical_methods.t
@@ -101,8 +101,8 @@ subtest 'Quadrature' => sub {
 
 	is trapezoid($f, 0, 2, steps => 4), 2.75, 'Trapezoid rule of x^2 on [0,2]';
 
-	is romberg($f, 0, 2), 8 / 3,      'Romberg interation for x^2 on [0,2]';
-	is romberg($g, 0, 1), exp(1) - 1, 'Romberg interation on e^x on [0,1]';
+	is romberg($f, 0, 2), 8 / 3,      'Romberg integration for x^2 on [0,2]';
+	is romberg($g, 0, 1), exp(1) - 1, 'Romberg integration on e^x on [0,1]';
 
 	is inv_romberg($g, 0, exp(1) - 1), 1.0, 'Inverse Romberg to find b with int of e^x on [0,b] returns 1';
 };
diff --git a/t/math_objects/matrix.t b/t/math_objects/matrix.t
index dfdc890c35..dbf03b02e1 100644
--- a/t/math_objects/matrix.t
+++ b/t/math_objects/matrix.t
@@ -183,7 +183,7 @@ subtest 'Test if Matrix is in (R)REF' => sub {
 subtest 'Transpose a Matrix' => sub {
 	my $A = Matrix([ [ 1, 2, 3, 4 ], [ 5, 6, 7, 8 ], [ 9, 10, 11, 12 ] ]);
 	my $B = Matrix([ [ 1, 5, 9 ], [ 2, 6, 10 ], [ 3, 7, 11 ], [ 4, 8, 12 ] ]);
-	is $A->transpose->TeX, $B->TeX, 'Test the tranpose of a matrix';
+	is $A->transpose->TeX, $B->TeX, 'Test the transpose of a matrix';
 
 	my $row       = Matrix([ 1, 2, 3, 4 ]);
 	my $row_trans = Matrix([ [1], [2], [3], [4] ]);
@@ -191,7 +191,7 @@ subtest 'Transpose a Matrix' => sub {
 
 	my $C = Matrix([ [ [ 1, 2 ], [ 3, 4 ] ], [ [ 5, 6 ], [ 7, 8 ] ] ]);
 	my $D = Matrix([ [ [ 1, 3 ], [ 2, 4 ] ], [ [ 5, 7 ], [ 6, 8 ] ] ]);
-	is $C->transpose->TeX, $D->TeX, 'Test the tranpose of a degree 3 tensor';
+	is $C->transpose->TeX, $D->TeX, 'Test the transpose of a degree 3 tensor';
 };
 
 subtest 'Extract an element' => sub {
diff --git a/t/units/electron_volts.t b/t/units/electron_volts.t
index 6b5b7c4c3a..36ae87c8b1 100644
--- a/t/units/electron_volts.t
+++ b/t/units/electron_volts.t
@@ -26,7 +26,7 @@ is \%tev,           by_factor(10**12,     \%electron_volt), 'tera is factor 10^1
 done_testing();
 
 # this sub is useful when reusing units for testing
-# NumberWithUnits is mutable and test order dependant
+# NumberWithUnits is mutable and test order dependent
 sub by_factor {
 	my ($value, $unit) = @_;
 	my $new_unit = {%$unit};    # shallow copy hash values
diff --git a/tutorial/sample-problems/Algebra/GraphToolNumberLine.pg b/tutorial/sample-problems/Algebra/GraphToolNumberLine.pg
index 7b4d5fac23..d9b3d2177e 100644
--- a/tutorial/sample-problems/Algebra/GraphToolNumberLine.pg
+++ b/tutorial/sample-problems/Algebra/GraphToolNumberLine.pg
@@ -24,7 +24,7 @@ DOCUMENT();
 loadMacros('PGstandard.pl', 'PGML.pl', 'parserGraphTool.pl', 'PGcourse.pl');
 
 #:% section = setup
-#: Two intervals are created with random enpoints. The first
+#: Two intervals are created with random endpoints. The first
 #: one is a bounded interval, and the second an unbounded interval.
 #:
 #: The `GraphTool` method creates the graph tool object. The only argument is
diff --git a/tutorial/sample-problems/Geometry/LineSegmentGraphTool.pg b/tutorial/sample-problems/Geometry/LineSegmentGraphTool.pg
index d99cd17659..97670090ed 100644
--- a/tutorial/sample-problems/Geometry/LineSegmentGraphTool.pg
+++ b/tutorial/sample-problems/Geometry/LineSegmentGraphTool.pg
@@ -29,7 +29,7 @@ loadMacros('PGstandard.pl', 'PGML.pl', 'parserGraphTool.pl', 'PGcourse.pl');
 #: `($sx1, $sy1)` and `($sx2, $sy2)`. For a correct answer, the line segment
 #: must have the given the endpoints and be solid.
 #:
-#: Mulitple line segments can be added to the graph tool, however, if a
+#: Multiple line segments can be added to the graph tool, however, if a
 #: triangle or quadrilateral is desired, see PROBLINK('TriangleGraphTool.pg')
 #: and PROBLINK('QuadrilateralGraphTool.pg') for more appropriate tools.
 $sx1 = random(-8, 8);
diff --git a/tutorial/sample-problems/IntegralCalc/GraphShadingPlot.pg b/tutorial/sample-problems/IntegralCalc/GraphShadingPlot.pg
index 84a691e5f6..b0d42277c6 100644
--- a/tutorial/sample-problems/IntegralCalc/GraphShadingPlot.pg
+++ b/tutorial/sample-problems/IntegralCalc/GraphShadingPlot.pg
@@ -28,7 +28,7 @@ loadMacros('PGstandard.pl', 'PGML.pl', 'plots.pl', 'PGcourse.pl');
 #:
 #: First create a `Plot` object with a plotting window that will capture the
 #: transformed function.  The function is then added to the plot with fill
-#: characteristics.  Note: it is important that the `name` atrribute is defined.
+#: characteristics.  Note: it is important that the `name` attribute is defined.
 
 $a    = random(-4, 2);
 $b    = random( 1, 4);
diff --git a/tutorial/sample-problems/Misc/RandomPerson.pg b/tutorial/sample-problems/Misc/RandomPerson.pg
index 4b5d18fff5..f20e04da63 100644
--- a/tutorial/sample-problems/Misc/RandomPerson.pg
+++ b/tutorial/sample-problems/Misc/RandomPerson.pg
@@ -48,7 +48,7 @@ $c = random(4,  8,  2);
 #: capitalized pronouns.
 #:
 #: Alternatively, a more-natural set of methods, `they, them, their` and `theirs`
-#: will generate the correct subject, object, possession, possesive forms of the
+#: will generate the correct subject, object, possession, possessive forms of the
 #: pronoun.
 #:
 #: In addition, there is a `verb` method to conjugate most
diff --git a/tutorial/sample-problems/Parametric/SpaceCurveGraph.pg b/tutorial/sample-problems/Parametric/SpaceCurveGraph.pg
index c302547295..2b669f9d0f 100644
--- a/tutorial/sample-problems/Parametric/SpaceCurveGraph.pg
+++ b/tutorial/sample-problems/Parametric/SpaceCurveGraph.pg
@@ -24,7 +24,7 @@ loadMacros('PGstandard.pl', 'PGML.pl', 'plotly3D.pl', 'PGcourse.pl');
 
 #:% section = setup
 #: A `plotly3D` graph is created with the `Graph3D` function. There are many
-#: options as decribed in PODLINK('plotly3D macro documentation','plotly3D.pl').
+#: options as described in PODLINK('plotly3D macro documentation','plotly3D.pl').
 #: In this example, only the `height`, `width`, and `title` are provided.
 #:
 #: A parametric curve is added to the graph with the `addCurve` method, which
diff --git a/tutorial/sample-problems/Parametric/SurfaceGraph.pg b/tutorial/sample-problems/Parametric/SurfaceGraph.pg
index ee29e38b38..6da4bec911 100644
--- a/tutorial/sample-problems/Parametric/SurfaceGraph.pg
+++ b/tutorial/sample-problems/Parametric/SurfaceGraph.pg
@@ -24,7 +24,7 @@ loadMacros('PGstandard.pl', 'PGML.pl', 'plotly3D.pl', 'PGcourse.pl');
 
 #:% section = setup
 #: A `plotly3D` graph is created with the `Graph3D` function. There are many
-#: options as decribed in PODLINK('plotly3D macro documentation','plotly3D.pl').
+#: options as described in PODLINK('plotly3D macro documentation','plotly3D.pl').
 #: In this example, only the `height`, `width`, and `title` are provided.
 #:
 #: A parametric surface is added to the graph with the `addSurface` method,
diff --git a/tutorial/sample-problems/ProblemTechniques/DigitsTolType.pg b/tutorial/sample-problems/ProblemTechniques/DigitsTolType.pg
index 4ee1bf2542..343d5c7756 100644
--- a/tutorial/sample-problems/ProblemTechniques/DigitsTolType.pg
+++ b/tutorial/sample-problems/ProblemTechniques/DigitsTolType.pg
@@ -23,7 +23,7 @@ loadMacros('PGstandard.pl', 'PGML.pl', 'PGcourse.pl');
 
 #:% section = setup
 #: Several context flags are set for this problem. The meaning of these flags
-#: are decribed in the following list.
+#: are described in the following list.
 #:
 #: * The flag `tolType => 'digits'` switches from the default `'relative'`
 #:   tolerance type to the `'digits'` tolerance type.
diff --git a/tutorial/sample-problems/ProblemTechniques/DisableFunctions.pg b/tutorial/sample-problems/ProblemTechniques/DisableFunctions.pg
index 483d402212..54ef7f4be0 100644
--- a/tutorial/sample-problems/ProblemTechniques/DisableFunctions.pg
+++ b/tutorial/sample-problems/ProblemTechniques/DisableFunctions.pg
@@ -59,7 +59,7 @@ loadMacros('PGstandard.pl', 'PGML.pl', 'PGcourse.pl');
 #:              `sgn`
 #: * `Vector`: disables `norm`, `unit`
 #: * `Complex`: disables `arg`, `mod`, `Re`, `Im`, `conj`
-#: * `All`: diables all predefined functions
+#: * `All`: disables all predefined functions
 #:
 #: Alternatively, the following syntax can be used.
 #:
diff --git a/tutorial/sample-problems/ProblemTechniques/Images.pg b/tutorial/sample-problems/ProblemTechniques/Images.pg
index 7f2ae9344f..b8675fad1a 100644
--- a/tutorial/sample-problems/ProblemTechniques/Images.pg
+++ b/tutorial/sample-problems/ProblemTechniques/Images.pg
@@ -78,7 +78,7 @@ $gt = GraphTool('{circle, solid, (1, 1), (2, 2)}');
 #: graphs. It is intended to be used to show an interactive graphing tool in
 #: which student's are expected to graph requested objects, in this case the
 #: circle that has center `(1, 1)` and passes through the point `(2, 2)`.
-#: However, static images can be diplayed as is shown in this example. The
+#: However, static images can be displayed as is shown in this example. The
 #: intent for this usage is to show the correct graph in a solution.
 BEGIN_PGML
 * A static image: [!Graph of an exponential!]{'image.png'}{120}
diff --git a/tutorial/sample-problems/README.md b/tutorial/sample-problems/README.md
index 64deacc459..4b8b56ce11 100644
--- a/tutorial/sample-problems/README.md
+++ b/tutorial/sample-problems/README.md
@@ -40,7 +40,7 @@ Here's an example:
 #:% categories = [graph]
 ```
 
-## Structure of the code documenation
+## Structure of the code documentation
 
 The comments that are associated with each file in on the WeBWorK
 wiki have been embedded as formatted
diff --git a/tutorial/sample-problems/Statistics/ScatterPlot.pg b/tutorial/sample-problems/Statistics/ScatterPlot.pg
index 9885ed7ffb..737a9b2ae0 100644
--- a/tutorial/sample-problems/Statistics/ScatterPlot.pg
+++ b/tutorial/sample-problems/Statistics/ScatterPlot.pg
@@ -34,7 +34,7 @@ loadMacros(
 #: components.
 #:
 #: For the plot, first set up the `Plot` with a plotting window that will
-#: caputure the data. The `add_dataset` method adds the data to the plot
+#: capture the data. The `add_dataset` method adds the data to the plot
 #: with circles and color blue.
 #:
 #: The line is added to the dataset with the `add_function` method.  The 3rd
diff --git a/tutorial/sample-problems/VectorCalc/VectorLineSegment1.pg b/tutorial/sample-problems/VectorCalc/VectorLineSegment1.pg
index 0210fc1ff3..06478277b7 100644
--- a/tutorial/sample-problems/VectorCalc/VectorLineSegment1.pg
+++ b/tutorial/sample-problems/VectorCalc/VectorLineSegment1.pg
@@ -1,5 +1,5 @@
 ## DESCRIPTION
-## A Vector-value parametric line segment with a general paramterization
+## A Vector-value parametric line segment with a general parameterization
 ## ENDDESCRIPTION
 
 ## DBsubject(WeBWorK)