Used Furniture Calculator Woodworking Plans

What happens when divide by zero on mechanical calculator Facit ESA-01

What happens when divide by zero on mechanical calculator Facit ESA-01

Facit ESA-01 division by 0 test.
The cover is removed because the machine is tested after the repair….

Inside the Facit TK Mechanical Calculator

Inside the Facit TK Mechanical Calculator

Companion video to my Facit Calculator demo, see here:

Trying to show what goes on inside this clever calculator designed in 1936….

Tiger - Japanese Mechanical Calculator - How it Works

Tiger – Japanese Mechanical Calculator – How it Works

Peek inside this cool old mechanical calculator – the Tiger! Made in Japan, it’s an imitation of a European design c 1940….

Mechanical Calculator / Calculating Machine / Rechenmaschine using fischertechnik

Mechanical Calculator / Calculating Machine / Rechenmaschine using fischertechnik

The world’s first replica of Tchebyshev’s ingenious mechanical calculator from 1876 using any construction set. The original calculator is on display at the State Museum of the History of St. Petersburg. In all previous calculating machines the carry happened suddenly. The carry mechanisms were the …

42 year old 1967 vintage Casio calculator still working

42 year old 1967 vintage Casio calculator still working

To my amazement it still works significantly and is certainly capable of repair. I had thought of putting it on eBay. It must be rather unique to be working even at all! Is this the oldest electronic calculator still capable of working?…

Mechanical calculator in action

Mechanical calculator in action

My mechanical calculator with a basic explanation for basic operations…

Facit TK Mechanical Calculator Demo (1936)

Facit TK Mechanical Calculator Demo (1936)

This is a demo of the Facit TK mechanical calculator. This Swedish pinwheel calculator was introduced in 1936 and got famous for introducing number entry with a numerical keypad instead of levers. Despite its simplicity, it has numerous clever features, a few demonstrated here. A legacy of the Facit…

Calculator Unboxing 1 - Numberphile

Calculator Unboxing 1 – Numberphile

We put three calculators through their paces with a series of special tests.

Featured are the Morrisons Desktop Calculator, WHSmith Scientific Calculator and Canon AS-120 Arc Design.

Featuring Matt Parker –

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ADVANCED CALCULATOR in MCPE!!! - 0.14.0 Redstone Creation - Minecraft PE (Pocket Edition)

ADVANCED CALCULATOR in MCPE!!! – 0.14.0 Redstone Creation – Minecraft PE (Pocket Edition)

Hey guys today i show you all this amazing calculator in minecraft pocket edition all working with redstone! It adds addition, subtraction, multiplication and division which is amazing and works very well! Try it out for yourself

Drop a like if you enjoyed! Much appreciated

D…

1950 Curta Calculator

1950 Curta Calculator

In December 2014 I made six short videos. This is one of them. It features the Curta Model 1 Calculator….

Inside a mechanical calculator

Inside a mechanical calculator

Tech Icons: Cliff Stoll - The Curta Calculator

Tech Icons: Cliff Stoll – The Curta Calculator

To see more interviews with Tech Icons, visit

The legendary Cliff Stoll tells the story of the invention of the Curta Calculator…

Show and Tell: The Curta Calculator

Show and Tell: The Curta Calculator

Sean Charlesworth joins us in the Tested office this week to share one of his prized possessions: a Curta mechanical calculator. Designed in the 1940s before electronic calculators, this hand-cranked device was considered the the most precise pocket calculator available, and was used by rally car dr…

1956 Friden STW 10 Mechanical Calculator Demo

1956 Friden STW 10 Mechanical Calculator Demo

Restoration of the Friden STW 10 mechanical calculator is complete! Time to play with it. We go through a few of the manual examples to show you how to use it. If you stick until the end we calculate a square root. It has a lot more tricks up its sleeve but the full version of the demo was 25 minute…

Hack a Calculator to get A's!

Hack a Calculator to get A’s!

Hack an ordinary calculator to help you remember important stuff!
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The Millionaire Machine - Numberphile

The Millionaire Machine – Numberphile

Cliff is back with an amazing device – The Millionaire.
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Calculator unboxings:

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Werstern Furniture Thrifty - Commercial By Calculator Guys Studio

Werstern Furniture Thrifty – Commercial By Calculator Guys Studio

Your Welcome to come to Werstern Furniture Thrifty 524 S Western Ave, . Los Angeles, CA 900020 OPEN from Mon. – Sat. 10am -7pm Sun. 11am – 4pm.

Commercial Produced by Calculator Guys Studio, Call 954.247.7374 for Questions and Comments…

I Didn't Pull Out Prank

I Didn’t Pull Out Prank

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How Pinwheel Calculators Work

How Pinwheel Calculators Work

A visual explanation of how pinwheel calculators work. Pinwheel calculators were invented in the 1870’s and popular for almost 100 years. The specific details described in this video are for the Triumphator Model K, but the mechanisms are very similar in all pinwheel calculators.

I have b…

Amazing Old Calculator (Curta) - Numberphile

Amazing Old Calculator (Curta) – Numberphile

Alex’s book:

The Curta is a pocket-sized, mechanical, digital calculator! It was invented by Curt Herzstark.

Shown here by Alex Bellos, author of Alex’s Adventures in Numberland.

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