Two calculators which I recently added to the collection:

**Sharp EL-510RN**

Type: Scientific

Battery: Solar/Battery Backup

Cost: I paid $12.99

This is a basic scientific calculator. Expressions are entered as-is and are
evaluated by pressing the equals key. [ = ]
The calculator is small, compact, and thin, and the keyboard feels real
good. The numbers on screen are big,
clear, and readable.

Features:

* Fraction calculation and conversions

* Rectangular and polar conversions

* Three memory registers: X, Y, and M. M+ and M- are available.

* One Variable Statistics (Mode 1)

If you want a basic, compact scientific calculator,
consider getting this model.

On a separate note, still waiting for that solar-powered
RPN calculator, Hewlett Packard. J

**Calculated Industries Home ProjectCalc Model 8510**

Type: Home Construction

Battery: Battery (CR 1620)

Cost: I paid $14.95

This is a simple home construction calculator that covers
five specific calculations (the top row of blue keys):

* The number of gallons, quarts, or paints needed to
paint a wall of a given area

* The number of rolls of wallpaper needed for a wall.

* The number of tiles needed to recover a floor, given the
area of a floor. Common measurement of
tiles are used in the calculation.

* The length of rolls, of 12 feet, 13 feet, and 15 feet,
of carpet to cover a floor.

* The number of bags of concrete needed.

Another plus is the ability execute calculations in
yards-feet-inch and meters, probably one of my most favorite features of the
Calculated Industries calculators. We
can also work with measured areas and volumes.
The π key returns the rounded value of 3.141593.

This blog is property of Edward Shore. 2016

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