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Question about McKinsey Redrock calculator?

So this onscreen calculator seems like a waste of screen space. If I just calculate things on paper and input the numbers, will I be penalized on “process score”? It just seems impossible to do the calculations on their onscreen calculator while being fast enough to finish the test.

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Ian
Coach
am 27. Sept. 2023
Top US BCG / MBB Coach - 5,000 sessions |Tech, Platinion, Big 4 | 9/9 personal interviews passed | 95% candidate success

Hi there,

If it were me? I would do it all on paper, BUT quickly input key/final calcs into the on screen calculator.

That's for 2 reasons:

  1. To show the logic/thinking (so they can see)
  2. To have the #s as options to drag-and-drop as the test progresses
am 27. Sept. 2023
#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success: ➡ interviewoffers.com | Ex BCG | 10Y+ Coaching

Hi there,

Q: If I just calculate things on paper and input the numbers, will I be penalized on “process score”?

Unless you are running out of time, I would recommend using the calculator within the game. This because:

  1. Using only an external one might impact the process score.
  2. There could be issues with the approximation of the numbers if you use an external one.

Good luck!

Francesco

am 27. Sept. 2023
Top MBB Coach | Most Awarded ex-McKinsey Coach on the platform

Hi there!

Honestly, it's quite unclear how using the internal calculator contributes to the process score. If you're good on time, it's best to use it, otherwise, manage time by alternating with the external one. 

Don't overthink it though. At the end of the day, you can only cognitively control so many things at the same time, so you don't want too much of your focus to go on this. 

Best,
Cristian

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