February 18, 2009. Scientific Calculator Precision 81 v1.0.0.0 was released.

February 15, 2009. Complex Calculator Precision 36 v1.0.0.1 was released. Button Abort was added. Improvement of Σ and Π .

February 15, 2009. Scientific Calculator Precision 72 v1.0.0.4 was released. Button Abort was added. Improvement of Σ and Π .

February 4, 2009. Complex Calculator Precision 36 v1.0.0.0 was released.

February 4, 2009. Scientific Calculator Precision 72 v1.0.0.3 was released. Height was change from 770 to 760.

February 4, 2009. Scientific Calculator Precision 63 v1.0.0.7 was released. Height was change from 770 to 760.

January 31, 2009. Complex Calculator Precision 27 v1.0.0.1 was released. Bugs pi, 0+0 were fixed.

January 31, 2009. Complex Calculator Precision 18 v1.0.0.2 was released. Bugs pi, 0+0 were fixed.

January 31, 2009. Scientific Calculator Precision 54 v1.0.1.0 was released. Bugs pi, 0+0 were fixed.

January 31, 2009. College Scientific Calculator 45 v1.0.0.7 was released. Bugs pi, 0+0 were fixed.

January 31, 2009. College Scientific Calculator 36 v1.0.0.7 was released. Bugs pi, 0+0 were fixed.

January 31, 2009. College Scientific Calculator 27 v1.0.0.7 was released. Bugs pi, 0+0 were fixed.

January 30, 2009. Math Center Level 2 v1.0.0.8 was released. Integer Calculator and Rational Calculator were finished.

January 29, 2009. Math Center Level 1 v1.0.0.8 was released. Simple Integer Calculator and Simple Rational Calculator were finished.

January 25, 2009. Complex Calculator Precision 27 was released.

January 25, 2009. Complex Calculator Precision 18 v1.0.0.1 was released. Some bugs are removed.

January 25, 2009. Scientific Calculator Precision 72 v1.0.0.2 was released. User Constants are enabled by default.

January 25, 2009. Scientific Calculator Precision 63 v1.0.0.6 was released. User Constants are enabled by default.

January 20, 2009. Complex Calculator Precision 18 was released.

January 14, 2009. College Scientific Calculator 27 v1.0.0.6 was released. Bug (+n) was fixed. Power function nE(large exp)^(0<x<1) was improved.

January 14, 2009. College Scientific Calculator 36 v1.0.0.6 was released. Bug (+n) was fixed. Power function nE(large exp)^(0<x<1) was improved.

January 14, 2009. College Scientific Calculator 45 v .0.0.6 was released. Bug (+n) was fixed. Power function nE(large exp)^(0<x<1) was improved.

January 14, 2009. Scientific Calculator Precision 54 v1.0.0.9 was released. Bug (+n) was fixed. Power function nE(large exp)^(0<x<1) was improved.

January 14, 2009. Scientific Calculator Precision 63 v1.0.0.5 was released. Bug (+n) was fixed. Power function nE(large exp)^(0<x<1) was improved.

January 14, 2009. Scientific Calculator Precision 72 v1.0.0.1 was released. Bug (+n) was fixed. Power function nE(large exp)^(0<x<1) was improved.

January 1, 2009. Scientific Calculator Precision 72 was released.

All products got new icons. Version number was incremented by 1.

December 29, 2008.  Math Center Level 2 v1.0.0.6 was released.  Improvement of Print and Print Preview.

December 29, 2008.  Math Center Level 1 v1.0.0.6 was released.  Improvement of Print and Print Preview.

December 27, 2008.  Scientific Calculator Decimal v1.0.0.5 was released.  Improvement of Print and Print Preview.

December 26, 2008.  Household Calculator 63 v1.0.0. was released.  Improvement of Print and Print Preview.

December 24, 2008.  Scientific Calculator Precision 63 v1.0.0.4 was released.  Improvement of Print and Print Preview.

December 24, 2008.  Scientific Calculator Precision 54 v1.0.0.8 was released.  Improvement of Print and Print Preview.

December 23, 2008.  College Scientific Calculator 45 v1.0.0.4 was released.  Improvement of Print and Print Preview.

December 23, 2008.  College Scientific Calculator 36 v1.0.0.4 was released.  Improvement of Print and Print Preview.

December 22, 2008.  College Scientific Calculator 27 v1.0.0.4 was released.  Improvement of Print and Print Preview.

December 21, 2008.  Math Center Level 2  v1.0.0.5 was released.  Rational Calculator was added.

December 15, 2008.  Math Center Level 1  v1.0.0.5 was released.  Simple Rational Calculator was added.

December 10, 2008.  Math Center Level 2  v1.0.0.4 was released.  Integer Calculator was added.

December 9, 2008.  Math Center Level 1  v1.0.0.4 was released.  Simple Integer Calculator was added.

December 1, 2008.  Scientific Calculator Precision  54 v1.0.0.7 was released.  Button Payment was added.

December 1, 2008.  Scientific Calculator Precision 63 v1.0.0.3 was released.  Button Payment was added.

 December 1, 2008.  College Scientific Calculator 45 v1.0.0.3 was released.  Button Payment was added.

December 1, 2008.  College Scientific Calculator 36 v1.0.0.3 was released.  Button Payment was added.

December 1, 2008.  Math Center Level 2 v1.0.0.3 was released.  Button Payment was added.

December 1, 2008.  Math Center Level 2 v1.0.0.3 was released.  Button Payment was added.

December 1, 2008.  College Scientific Calculator 27 v1.0.0.3 was released.  Button Payment was added.

November 30, 2008. Scientific Calculator Decimal v1.0.0.4 was released. Button Payment was added.

November 30, 2008. Household Calculator v1.0.0.2 was released. Button Payment was added.

November 25, 2008. Scientific Calculator Precision 54 v1.0.0.6 was released. More relaxed protection scheme.

November 25, 2008. College Scientific Calculator 45 v1.0.0.2 was released. More relaxed protection scheme.

November 25, 2008. College Scientific Calculator 36 v1.0.0.2 was released. More relaxed protection scheme.

November 25, 2008. College Scientific Calculator 27 v1.0.0.2 was released. More relaxed protection scheme.

November 24, 2008. Math Center Level 2 v1.0.0.2 was released. More relaxed protection scheme.

November 23, 2008. Math Center Level 1 v1.0.0.2 was released. More relaxed protection scheme.

November 23, 2008. Scientific Calculator Decimal v1.0.0.3 was released. More relaxed protection scheme.

November 21, 2008. Household Calculator v1.0.01 was released. More relaxed protection scheme.

October 14, 2008. Math Center Level 2 v1.0.0.1 was released. Anti Alias and High Quality are added.

October 13, 2008. Math Center Level 1 v1.0.0.1 was released. Anti Alias and High Quality are added.

October 1, 2008. Scientific Calculator Precision 54 v1.0.0.5 was released.

September 19, 2008. Scientific Calculator Precision 63 v1.0.0.1 was released.

September 18, 2008. College Scientific Calculator 45 v1.0.0.0 was released.

September 18, 2008. College Scientific Calculator 36 v1.0.0.1 was released.

September 18, 2008. College Scientific Calculator 27 v1.0.0.1 was released.

September 16, 2008. College Scientific Calculator 36 v1.0.0.0 was released.

September 15, 2008. College Scientific Calculator 27 v1.0.0.0 was released.

September 12, 2008. Scientific Calculator Precision 63 v1.0.0.0 was released.

September 11, 2008. Scientific Calculator Precision 54 v1.0.0.3 was released. Fix in Power function.

September 8, 2008. Scientific Calculator Precision 54 v1.0.0.2 was released. Symbolic entry of Infinity, Uncertainty, and NaN was enabled.

September 6, 2008. Scientific Calculator Precision 54 v1.0.0.1 was released. Improvement in speed.

September 1, 2008.  Scientific Calculator Precision 54 was released.

June 30, 2008

Version v1.0.0.1 was released. The E-button was enabled. Now it is possible ti use expressions like 5E-25, E20 etc. The algorithm of trigonometric functions was improved. Now the accuracy of expression sin(E20) is about 8 digits.

June 24, 2008

A bug in Scientific Calculator Decimal was fixed. Please, download and install. Uninstall the old version and install this. The new version has blue "=calculate" button.

Write to [email protected] if you have questions, reports, or advices.

© 2008 Tvalx