Casio FX-991D Solar Power Scientific Calculator Review and Big Discount

Casio FX-991D Solar Power Scientific Calculator - Super FX
199 Functions
- Complex Number Calculations
- Statistic, linear regression, standard deviation
- Computer science
- 32 Physical constant

Value type indicator shows the unit of measurements
Accurate 10 digit display and two digit exponent
Solar Plus
Fractional calculations

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Royal Machines XE36 Calculator with 12 Digit Display, Extra Large Display, Solar and Battery Power Review and Big Discount

• Royal Machines XE36 Calculator with 12 Digit Display and Extra Large Display and Solar and Battery Power
• Auto Shut Off & Last Digit Erase
• Compact Case Design w/One Touch Opening
• Full Function Memorey & Grand Total Function
• Percent & Square Root Keys
• 12-Digit, Extra-Large Display
• Compact Case With 1-Touch Opening
•  Last-Digit Erase
•  Full Decimal System, Floating, Round Up/Off Or Cutoff
• Full-Function Memory

The Royal XE36 offers features not found in other compact calculators. The rubber keypad makes entering calculations easy. The XE36 includes a full-function memory and grand total function. The last digit erase key prevents mis-keying, while the percent and square root keys are always an added plus.

Check out new Royal Machines XE36 Calculator with 12 Digit Display, Extra Large Display, Solar and Battery Power with Secure Transaction.