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2. Fuel factor - Wikipedia

   en.wikipedia.org/wiki/Fuel_factor

   Fuel factor. The fuel factor, f o, is the ratio of created CO 2 to depleted oxygen in a combustion reaction, used to check the accuracy of an emission measurement system. [1] It can be calculated using the equation. Where %O 2 is the percent O 2 by volume, dry basis, %CO 2 is the percent CO 2 by volume, dry basis, and 20.9 is the percent O 2 by ...

3. Stub (electronics) - Wikipedia

   en.wikipedia.org/wiki/Stub_(electronics)

   Stub (electronics) Resonant stub tank circuits in vacuum tube backpack UHF transceiver, 1938. About 1/8 wavelength long: (left) 200 MHz stub is 19 cm, (right) 300 MHz stub is 12.5 cm. In microwave and radio-frequency engineering, a stub or resonant stub is a length of transmission line or waveguide that is connected at one end only.

4. TI-54 - Wikipedia

   en.wikipedia.org/wiki/TI-54

   Weight. 0.106 kg. Dimensions. 14.7 x 7.9 x 2.3 cm. The TI-54 was a scientific calculator produced by Texas Instruments, primarily marketed towards engineers and science professionals. [1] It was introduced in 1981, and at the time was the only calculator that could deal with complex numbers. [2] It was discontinued in 1983.

5. Inverse Symbolic Calculator - Wikipedia

   en.wikipedia.org/wiki/Inverse_Symbolic_Calculator

   The Inverse Symbolic Calculator is an online number checker established July 18, 1995 by Peter Benjamin Borwein, Jonathan Michael Borwein and Simon Plouffe of the Canadian Centre for Experimental and Constructive Mathematics (Burnaby, Canada). A user will input a number and the Calculator will use an algorithm to search for and calculate closed ...

6. Calculator-Based Laboratory - Wikipedia

   en.wikipedia.org/wiki/Calculator-Based_Laboratory

   Calculator-Based Laboratory. The Calculator-Based Laboratory ( CBL) is a mobile data collection device manufactured by Texas Instruments in collaboration with Vernier Software & Technology and introduced in 1994. The CBL can be used to collect data either in conjunction with a TI graphing calculator, or on its own. [1]

7. Solar-powered calculator - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_calculator

   The first solar-powered (non-scientific) calculators available in the late 1970s included the Royal Solar 1, the Sharp EL-8026, and the Teal Photon. Scientific solar-powered calculators appeared in 1982. Solar calculators use liquid crystal displays, as they are power-efficient and capable of operating in the low-voltage range of 1.5–2 V.