Compare two revisions of: input.fields

... ... @@ -211,7 +211,7 @@ As the user also shouldn't give any free variable, the first parameter of `\chec
211 211
212 212 Any answers by a user to a problem (called user input) can be
213 213 - corrected using the command _equal()_,
214 -- checked using the command _checkStringForRelation{}_.
214 +- checked using the command _checkStringsForRelation{}_.
215 215
216 216 Additionally the user's input may also be checked numerically using the command _checkAsFunction_.
217 217 How this is done is explained below including by an example.
... ... @@ -220,7 +220,7 @@ The user's input (answer to a problem) is stored in a variable using the command
220 220 `\inputAsFunction{<variable name>}{<identifier>}`. Hence we can refer to the user input by its identifier.
221 221
222 222 Details:
223 -* inside the command _checkStringForRelation{}_ several tests can be accommodated. They can be combined using the logical AND, OR, NOT.
223 +* inside the command _checkStringsForRelation{}_ several tests can be accommodated. They can be combined using the logical AND, OR, NOT.
224 224 * equal: in a first step it checks whether 2 strings are algebraically equal. After that, in a second step, it compares the two terms numerically. (boolean)
225 225 * Commands of type "string" compare just two strings i.e. NO algebraic or numerical comparison:
226 226 * **equalString** compares two strings (boolean)
... ... @@ -233,7 +233,7 @@ Details:
233 233 * count(x,g)=2 checks the string g and takes the value _true_ if it contains precisely 2 letters x.
234 234
235 235 - syntax \checkStringsForRelation{equal( _identifier-input-user_, _correct-solution_ ) }.
236 -- for relations we put the corresponding expressions as arguments into the command e.g. we count the number of plus-signs in the user input by \checkStringForRelation{ _count number of plus signs_, _identifier-input-user_ }.
236 +- for relations we put the corresponding expressions as arguments into the command e.g. we count the number of plus-signs in the user input by \checkStringsForRelation{ _count number of plus signs_, _identifier-input-user_ }.
237 237
238 238 To check the user's answer numerically, use the command \checkAsFunction or \checkFuncForZero
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