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DreamCalc Scientific Graphing Calculator
Math for Business, Science, Engineering & Education
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Features

Which edition is right for you?

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Feature Comparison

Select the premium option for the advanced features you need.

General Features

  Free*
 Unregistered 
DCG
 Graphing 
DCP
 Professional 
Algebraic & RPN inputs ✔ ✔ ✔
Function graphing & list data plots   ✔ ✔
Realistic user interface & skins ✔ ✔ ✔
Polynomial solver   ✔ ✔
Keyboard input ✔ ✔ ✔
Complex number input   ✔ ✔
Paper roll ✔ ✔ ✔
Run from System Tray (optional) ✔ ✔ ✔
Engineering mode & engineering key ✔ ✔ ✔
Date input & calendar functions ✔ ✔ ✔
International number formats ✔ ✔ ✔
Fixed digit & scientific notation ✔ ✔ ✔
Natural fraction key ✔ ✔ ✔
Multiple memory registers ✔ ✔ ✔
Degrees, minutes & seconds (DMS) ✔ ✔ ✔
Unit conversions and Constants ✔ ✔ ✔
On-Screen display of input expression ✔ ✔ ✔
Help & keyboard hints ✔ ✔ ✔
Main window roll-up feature ✔ ✔ ✔
Windows clipboard support ✔ ✔ ✔
Full backspace & undo ✔ ✔ ✔
Financial keypad area     ✔
Comprehensive user guide1 ✔ ✔ ✔
Hundreds of functions2 ✔ ✔ ✔

1. See User Guide.   2. See Index of Functions.

Function Graphing & Data Plotting

  Free*
 Unregistered 
DCG
 Graphing 
DCP
 Professional 
Graph any function in seconds!   ✔ ✔
Two functions plots shown simultaneously   ✔ ✔
Realtime plot cursor information   ✔ ✔
Scatter & line plots for X-Y data
  ✔ ✔
Show line of Regression Fit instantly   ✔ ✔
Numerical calculus   ✔ ✔
Find points of intersection   ✔ ✔
Histograms, bar charts & frequency polygons   ✔ ✔
Normal Q-Q plots   ✔
Logarithmic axes   ✔ ✔
Polar plots   ✔ ✔
Graph zooming   ✔ ✔
Cashflow charts     ✔
Export charts to other applications   ✔ ✔

Statistical Calculations

  Free*
 Unregistered 
DCG
 Graphing 
DCP
 Professional 
Spreadsheet style data input   ✔ ✔
Mean, standard & average deviations, min, max, range, mode, median, standard error & nomalized variate etc.   ✔ ✔
Skew & kurtosis functions   ✔ ✔
Generate histograms, frequency polygons & bar charts   ✔ ✔
Normal quantile-quantile plots     ✔
Gaussian probability distributions & standard z-score   ✔ ✔
Regression modes: linear, logarithmic, power, inverse, exponential, quadratic & cubic regression   ✔ ✔
Logistic regression     ✔
Calculate coefficients, correlation, determination, COVAR, RMSE etc.   ✔ ✔
Suggest optimal regression for X-Y data   ✔ ✔
Maximum list size   2000 5000
Export data to other applications   ✔ ✔

Financial Calculations

  Free*
 Unregistered 
DCG
 Graphing 
DCP
 Professional 
Percentage % key ✔ ✔ ✔
Effective annual rates for Europe & Canada     ✔
Loan amortization     ✔
Compound interest calculations (TVM)     ✔
Internal rate of return (IRR)     ✔
Modified internal rate of return (MIRR)     ✔
Net present value calculations (NPV)     ✔
Logistic regression     ✔
Bond price (PRICE) & yield to maturity (YTM)     ✔
Return on investment (ROI)     ✔
SL, SOYD & DB depreciation     ✔
Simple interest     ✔
Cashflow charts     ✔
Cumulative cashflow charts     ✔
Spreadsheet style cashflow input     ✔
Simple profit functions (COST, SELL, MAR) ✔ ✔ ✔

Base-N & Logic Functions

  Free*
 Unregistered 
DCG
 Graphing 
DCP
 Professional 
Arithmetic for 32 & 64 bit integers ✔ ✔ ✔
Floating point base-N arithmetic ✔ ✔ ✔
Any radix from 2 to 16 ✔ ✔ ✔
Logic functions: OR, XOR, AND, XNOR, REM etc ✔ ✔ ✔
Big endian to little endian conversion ✔ ✔ ✔
Conversions to KB (kilobytes), MB, GB values etc ✔ ✔ ✔
Byte grouping & lead zero padding ✔ ✔ ✔

Licensing & Price

  Free*
 Unregistered 
DCG
 Graphing 
DCP
 Professional 
Commercial use ✔ ✔
Tiered volume discounts ✔ ✔
Price ** $24.99 USD $29.99 USD
Licensing Free for Non-commercial Per User Per User
    Buy Now Buy Now

* Both the Graphing and Professional editions offer the same set of free features.

** Prices shown in USD will be converted to your own currency during the order. Prices exclude EU VAT, which will be shown in the order page, if applicable.

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