Eval

The programmable calculator [freeware]

Features

• unary, binary, relational and logic operators
• standard functions: abs, acos, asin, atan, cos, log, ln, int, sin, sqrt, tan
• user-defined functions (multiple parameters possible)
• user-defined variables
• input & output formats: decimal, hex, binary, std. form / floating point
• predefined constants
• automatic assignment of variables for answers
• floating tool-box mode for ideal integration in other applications
• plots graphs of any user-defined functions

Screenshots

Click here to see them!

Download

• Eval/Win v1.08
  size: 161K; released 18/12/2001 [4328]
  
  
• Eval/DOS v1.21
  size: 18K; released 03/11/1997 [2717]
  (The DOS version does not support all features; development has been discontinued)
  
  
• Graph v1.00ß2 (DOS)
  size: 65K; written 1998 [2668]
  An application which allows you to draw graphs under DOS, VESA2
  
  

Release Notes

• v1.07 (19/09/2001)
  • fix: a variable can now be used more than once in an expression
  • new assignment operators: /= *= %= -= += <<= >>= &= |= ^=
  • new binary operator (complement): ~
  • time calculations


• v1.06 (07/08/2001)
  • fix: all functions are now in the graph list
  • new, better-looking icons
  • fix: graph drawing no longer saves answers
  • fix: nested user functions now work
  • fix: variable names that contain 'pi' can be used
  • fix: command history now works in release build ;)
  • factorial added


• v1.05 (04/04/2001)
  • fix: usage of user-defined functions in new functions
  • hex numbers are now unsigned
  • multiple instances blocked: put old instance into foreground instead
  • the whole line is now processed, regardless of the cursor pos. when pressing enter
  • the command history has been improved and now works correctly


• v1.04 (11/02/2001)
  • answer variable for last result added (a)
  • fix: variables dialog now displays correct numbers
  • functions dialog broadened
  • fix: terms as function parameteres are now processed correctly
  
  
• v1.03 (20/04/2000)
  • graph functionality added - beta stadium
  
  
• v1.02 (31/08/1999):
  • bug-fix: modifying function data using the functions dialog
  
  
• v1.01 (29/08/1999):
  • icon transparency added
  • window data is saved
  
  
• v1.00 (20/08/1999)

Contact

Write to me, whether it's a comment, suggestion or bug report: djain@gmx.net

If you think Eval lacks an important feature, constant or standard function, feel free to tell me about your needs. If I find the feature worthwhile implementing, I certainly will consider it.

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