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This program is designed to help students and enthusiasts understand orbital mechanics and the influence of mass and gravity on orbiting objects. Formulas are provided for all calculations and constants programmed for the Earth, Moon, Mars, Jupiter and Kerbin. You can also input…
This small program uses the rocket equation to calculate the delta-V of a vehicle using exhaust velocity as an input variable. It is excellent for students and enthusiasts to understand better how a change in mass over time impacts the change in velocity of a rocket. The equatio…
This simple program calculates the theoretical hull speed of a sailing vessel measured in feet or meters. You decide your unit of measurement and input the LWL, and the calculator will give you the theoretical hull speed in knots.
This is a great app to have if you are lookin…
This handy program calculates the safe stopping distance (which aids in determining a safe following distance) of a vehicle travelling at any km/h speed. You input the reaction time in seconds, the vehicle's speed, the roadway's grade (+/-), and the friction coefficient. From th…
BUSPLAN-CE is a TI-84 Plus CE program designed to help transit planners, schedulers, or trainees determine the number of buses required on a route to maintain a given headway. The program uses the total round trip time (T), a layover time expressed as a percentage (L), and the d…
Computes the Closest Point of Approach (CPA) between two vessels at sea. Uses a relative motion model based on vector trigonometry, assuming constant speeds and courses for both vessels.
Calculates how far a vehicle’s overhang sweeps outward — or “kicks out” — laterally when the vehicle turns at a given angle. User inputs vehicle's rear overhang length, distance cleared/from curb, and angle of the turn.
A program to calculate hours.minutes length of a shift and can display wage earned. User can edit the program and input their hourly wage on the first line. All times are inputed and displayed in H.mms.
A program to calculate safe stopping distance given velocity, reaction time, friction (0.7 standard dry, 0.35 wet) and road grade. Displays distance travelled during reaction, in brake application and total travelled.
A program to calculate a perfectly circular orbit of a satellite given height (km) or velocity (m/s) from the user for EARTH, MOON, MARS and JUPITER with all constants provided by NASA Factsheets. Program will provide orbital height (km), velocity (m/s), period (min) and circumf…
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