GridinSoft Notepad is equiped with a calculator that can evaluate simple expressions. If you want to calculate a simple expression, use GridinSoft Notepad built-in calculator to get the answer quickly.

1. Type in the expression you want to evaluate in GridinSoft Notepad.(The whole expression should be written in one line).
2. Select whole expression for evaluate.
3. Press Ctrl+Enter to calculate the expression. i.e.
   3.14 * (2.43 + 0.91*e) <– press Ctrl+Enter after the selected of expression
   3.14 * (2.43 + 0.91*e)=15,3974184966389 <– you will get the answer immediately in the same line

Typing the expresiion, please, take into account the next information:

• The string must be not more then 255 signs;
• You can use the spaces;
• The decimal part must be separated with a dot (not with a comma);
• The expression must be writes by usually rules of entering the expressions for computer (Example: x^2 + sin(5*y)/exp(4*z));
• GridinSoft Notepad takes into account the operations priority (in decreasing order: the function's calculation, raising to the power, multiplying and division, adding and subtraction);
• The program takes into account brackets;
• The program know the next mathematical operations:

Following list shows basic mathmatics functions supported by GridinSoft Notepad:
round, trunc, acos, acot, asin, atan, cos, sin, tan, cot, cosh, sinh, tanh, coth, ln, exp, sqr, sqrt