Graphicus
$1.99
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Description
Graphicus is a graphing calculator that supports plotting and inspection of cartesian, polar and parametric functions. It also supports finding roots, extrema, points of inflection, intersections; calculation of definite integral, curvature.
Intersections are currently found between two functions only if at least one of them is y(x).
Available features:
• Implicit mul
... Read Moretiplication, e.g: "2*x+x*x" and "2x+x x" are the same expressions (but "xsin(x)" is invalid replacement for "x*sin(x)", use "x sin(x)" instead).
• Braces can also be omitted, e.g.: "sin x" instead of "sin(x)" (but not "sin 2x" [==sin(2)*x] instead of "sin(2x)").
• Constants (e==Euler's number, pi==Pi) and more than 20 functions are supported.
• [_some_expr_], |_some_expr_| can be used instead of floor(...) and abs(...).
• {_some_expr_} == _some_expr_-[_some_expr_] --- fractional part.
• Analytic derivative computation: D(_some_expression_ , _variable_) - e.g.: D(sin x-x^2/2,x)+x == cos x.
• Show/hide interface on double tap/triple tap or triple touch.
SUPPORTED FUNCTIONS ETC:
Operators:
• +, -
• unary -
• *, /
• ^
Constants:
• e -- Euler's number =2.7182818284...
• pi, p -- Pi, ratio of circle's circumference to its diameter =3.14159265358979...
Functions:
• abs -- absolute value
• sign, sgn -- sign function
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• floor -- floor function
• ceil -- ceiling function
• fract -- fractional part
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• sqrt -- squre root
• pow, power -- can be used instead of "^" e.g.: power(x,2+e)
• inv -- invert, raise to power -1.
• exp -- exponential function: exp(...)==e^(...)
• log -- logarithm to the base 10
• ln -- natural logarithm
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• sin -- sine
• cos -- cosine
• tan, tg -- tangent
• asin, arcsin
• acos, arccos
• atan, arctan, arctg
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• sinh, sh
• cosh, ch
• tanh, th
• asinh, arsinh, arsh
• acosh, arcosh, arch
• atanh, artanh, arth
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• D(..., ..) -- derivative
Braces:
• (...) -- just braces
• |...| -- absolute value of expression within
• [...] -- is equivalent to floor(...)
• {...} -- fractional part of expression
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News 
Sun, 21 Feb 2010 17:31:29 UTC +00:00
Version: 1.0
Version: 1.0
Version: 1.0
Version: 1.0
Version: 1.0
