## Apolinario “Sam” Ortega , founder of invbat.com

283-Sam Ortega Personal Calculator

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# Search Results for: invbat

## Apolinario “Sam” Ortega , founder of invbat.com

## Vision of INVBAT.COM

## Why create invbat.com?

## Circumference of a Circle Calculator

## Area of Circle Calculator

## Area of a Circular Segment

## Algebra word problem – cost of rose bush and dogwood tree

## Algebra word problem – two investment rate

## Algebra word problem – quarter and dime calculator

## Algebra word problem – number of ticket sold

I Forgot The Formula and Calculator – No Worry

283-Sam Ortega Personal Calculator

INVBAT.COM’s vision is to see more than 3.2 billion people worldwide such as students, working adults, technicians, teachers, instructors, professors, engineers, scientists, and business people who found themselves forgetting mathematical formulas and equation to less likely to say , “ I forgot the mathematical formulas or equation and also I don’t have my scientific calculator … Continue reading “Vision of INVBAT.COM”

INVBAT.COM was created by Apolinario “Sam” Ortega, currently working at Salt River Project (SRP), a community-based, nonprofit utility and one of the nation’s largest public power utilities in Phoenix, Arizona, USA. He works at Electrical Engineering and Asset Optimization department. In his free time at home, he is passionate in pursuing INVBAT.COM since 2009. He … Continue reading “Why create invbat.com?”

85 – Circumference of Circle Calculator

86 – Area of Circle Calculator

153 – Area of a Circular Segment Calculator

135 – Cost of Rose Bush and Dogwood Tree Calculator

134 – Investment Rate Calculator

133 – Quarters and Dime Calculator

130 – Number of Ticket Sold Calculator