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Excuse me, what software is used to draw the examples in Higher Mathematics by Higher Education Press?
Highly recommended! ? ZGrapher.exe, ordinary function, parameter, polar coordinate function, derivative and integral can be used. The space is not big, although it is English, it is easy to understand by looking up words.

ZGrapher? Software can draw pictures? y(x),? X(y), limit, function defined by variable graph and table. The calculation functions include obtaining derived values, tangent and normal equations, digital integration and recursive analysis. Graphics, coordinate planes and spaces can be completely customized. Your graphics can be exported as BMP. GIF? And then what? PCX? Format.

Chapter one? grammar

When determining an equation, you can use operators, functions, constants and variables. Curves support all common mathematical operators and functions.

+? -*/? ^+-? ()? Brackets? brackets

abssqrtlnlgexp? Sign? Round? Round up or down

ceil? Contrary to the floor

The ratio of radian to angle

RadToDeg

Sin? Because? tg? ctg? arcctgarctg? arcsin? arccos?

Constant π-pi, e-exp( 1)

Chapter two? Management chart

Chapter three? Chart attribute

Chapter four? file attribute

Floor (number, meaning)?

Will the parameters? Number? Round down in the direction of decreasing absolute value to make it equal to the nearest? Meaning? A multiple of. Number the values to be rounded. Importance cardinal number