Industrial

 82

• Geogrpahy 2
• Envorinment 7
• Material 52
• Mechanical 15
• Building 6

Life

 149

• Daily 94
• Financial 4
• Insurance 1
• Health 50

Conversion

 44

• Time date 2
• Length angle 6
• Speed rate 2
• Mass weight 7
• Power, energy 18
• Other conversions 9

Physical

 373

• Electricity 20
• Electronic 96
• Classic physics 221
• Molecular atom 12
• Reaction 24

Mathematical

 199

• Algebraic 26
• Geometric 161
• Trigonometric 1
• Probability 11

IT

 21

• Computer 10
• Web 11

Computational Game

• Basic arithmetic operations