Android apps by Peter Gottlieb

div2
Peter Gottlieb
Long division need not be the traumatic learning experience for 4th and 5th graders. This app (div2) does all the tedious multiplications and subtractions, leaving the student to learn and practice the basic long division skills of correc
Free
69
10,000+ downloads
|
EDUCATION
linear1
Peter Gottlieb
This app raises the algebra drill program to a whole new level. Instead of simply presenting the problem and leaving the student to work out the steps on paper, the student is lead through a succession of steps, with instant feedback at ea
Free
100
1,000+ downloads
|
EDUCATION
sub3
Peter Gottlieb
Most 2nd and 3rd graders struggle with subtraction problems that require borrowing. Having to strike-through numbers and then stack new numbers above them is a confusing process that leads to frustration and under achievement. Here is the
Free
95
1,000+ downloads
|
EDUCATION
calc_formulas
Peter Gottlieb
Here is an app that can calculate 27 different formulas useful in financial transactions. This latest version of the app has added a numeric keypad (with nice large keys) for data entry, as an alternative to the 2 modes of data entry in th
Free
86
500+ downloads
|
BUSINESS
multtables
Peter Gottlieb
Here is the answer to those tiresome multiplication table exercises with your child. This Android app will flash a sequence of multiplication table questions, and you child will enter the answers to each using a virtual numeric keypad with
Free
80
1,000+ downloads
|
EDUCATION
Solvequad
Peter Gottlieb
Here is a drill program that will improve the essential skills for any intermediate algebra student. This is an exercise in the factoring of quadratic expressions. Such an expression can be written as the product of 2 factors, each facto
Free
73
1,000+ downloads
|
EDUCATION
quickview
Peter Gottlieb
Can you read a number that's flashed on the screen for only a few milliseconds? This game will start with a few hundred milliseconds and reduce the duration until you can no longer enter the number correctly. You can select the number of d
Free
80
100+ downloads
|
PUZZLE
linear2
Peter Gottlieb
Here is a painless way for the algebra student to develop proficiency in solving simultaneous linear equations. Here is a drill program that leads the student through 8 steps to solve 2 simultaneous linear equations with 2 unknowns. These
Free
60
500+ downloads
|
EDUCATION
myformulas
Peter Gottlieb
This app is for anyone who has to calculate formulas: high school and college students in science, engineering, or business courses, as well as teachers or practitioners in any of these fields who need to get quick results when they are not
$2.50
80
10+ downloads
|
PRODUCTIVITY
div1
Peter Gottlieb
Here is a division drill that will develop skills in both basic division and mental arithmetic. Yet it's simple enough to do while watching children's TV. The student can begin with no remainders: dividing integers from 3 to 9 (called d
Free
0
100+ downloads
|
EDUCATION
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